Top Posters
Since Sunday
21
20
20
17
16
15
15
14
14
14
14
14
New Topic  
wrote...
Posts: 116
A week ago
Identify the statement below that is false with regards to basic requirements of a relational database model.

• Primary keys can be null.

• Foreign keys, if not null, must have values that correspond to the value of a primary key in another table.

• All non-key attributes in a table should describe a characteristic about the object identified by the primary key.

• Every column in a row must be single-valued.
Source  Download
Accounting Information Systems
Edition: 14th
Authors:
Read 6 times
3 Replies
Replies
Answer verified by a subject expert
wrote...
Posts: 110
A week ago
Sign in or Sign up in seconds to unlock everything.
Primary keys can be null.
1
Related Topics
wrote...
A week ago
This helped my grade so much
wrote...
A week ago
Perfect
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  358 People Browsing
 110 Signed Up Today
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 48

Related Images
 431
 73
 25